Br Med J 1879; 2 doi: (Published 02 August 1879) Cite this as: Br Med J 1879;2:197

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: January 2010 to July 2014

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